Question

the population of a city increases each year by 4% find it's population 2 yrs ago if it's current population is 6760000​

Answer 1

Answer:

Step-by-step explanation: let The crnt ppltion be x

So ppltin one year ago will be x-4x/100

=x-x/25

=24x/25(by taking LCM)

Now ppltion 2 yrs ago will be

24x/25 -x/25=23x/25

Since x =6760000

So ppltion 2yrs ago will be

=23*6760000/25

=155480000/25

=6219200

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